12898539 has 12 divisors (see below), whose sum is σ = 19028256. Its totient is φ = 8415792.

The previous prime is 12898531. The next prime is 12898541. The reversal of 12898539 is 93589821.

It is a happy number.

12898539 is a `hidden beast` number, since 1 + 28 + 98 + 539 = 666.

12898539 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12898539 - 2³ = 12898531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12898494 and 12898503.

It is not an unprimeable number, because it can be changed into a prime (12898531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14824 + ... + 15669.

It is an arithmetic number, because the mean of its divisors is an integer number (1585688).

Almost surely, 2^12898539 is an apocalyptic number.

12898539 is a deficient number, since it is larger than the sum of its proper divisors (6129717).

12898539 is a wasteful number, since it uses less digits than its factorization.

12898539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30546 (or 30543 counting only the distinct ones).

The product of its digits is 155520, while the sum is 45.

The square root of 12898539 is about 3591.4536054361. The cubic root of 12898539 is about 234.5201556288.

The spelling of 12898539 in words is "twelve million, eight hundred ninety-eight thousand, five hundred thirty-nine".